Features： 1、Strong Signal: This antenna has 9dbi high gain super strong signal, the antenna base and antenna pole can be disassembled for easy cleaning 2、Improve Performance: SMA inner needle interface, omnidirectional antenna, reduce co channel interference, strengthen signal gain effect, and improve transmission performance 3、Rapid Income Increase: Accuracy suction antenna, fast data reception, high gain and large range, the more open the distance, the farther 4、Convenient to Fix: There is magnet inside the base, and the magnetic chuck is easy to fix and can be attached to metal objects 5、Internal Needle: Copper knurled female thread, quality assurance without cutting corners, interface is copper female thread inner needle, wear and corrosion resistant 6、Application: Used for GSM 2G 3G wireless modules, NB IOT modules, DTU modules, advertising machines, numbering machines, vending machines, GPRS signal reception, transmission, etc. Specification： Item Type: Magnetic Antenna Model: XP-GSM-001 Material: Copper Purpose: Signal Transmission and Gain Working Frequency: 824-960MHZ 710-2170MHZ Antenna Gain: 9dbi Standing Wave Ratio: ≤1.5 Impedance: 50Ω Polarization Method: Vertical Polarization Total Height: Approx. 29cm / 11.42in Maximum Power: 50W Antenna Interface: SMA Female Thread Inner Pin Line Length: Approx. 1.5 meters / 4.92ft Line Type: RG174 line Working Temperature: -40℃~+85℃ Applicable Equipment: Used for GSM 2G 3G wireless modules, NB IOT modules, DTU modules, advertising machines, numbering machines, vending machines, GPRS signal reception, transmission, etc. Package List： 2 x Magnetic Antenna